Docking Pane - Destroying a pane instead of closing

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Destroying a pane instead of closing

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Category: Codejock Products
Forum Name: Docking Pane
Forum Description: Topics Related to Codejock Docking Pane
URL: http://forum.codejock.com/forum_posts.asp?TID=1577
Printed Date: 11 December 2024 at 11:48pm
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Topic: Destroying a pane instead of closing

Posted By: Alex G.
Subject: Destroying a pane instead of closing
Date Posted: 22 December 2004 at 2:23pm

Hello,

how can I destroy the pane instead of closing it ?

Of course I know about the method DestroyPane in class
DockingPaneManager...

Assume I want to destroy the pane after the user depressed the pane's close button.

Thanks in advance !

Alex

Replies:

Posted By: spike
Date Posted: 22 December 2004 at 9:12pm

Well then you should call DestroyPane in the XTPN_CLOSE_PANE (sp?) notifcation in OnDockingPaneNotify.

Posted By: Alex G.
Date Posted: 23 December 2004 at 5:31am

I tried that of course too. But the pointer to the pane is still in use after the notification :

void CXTPDockingPaneManager::ClosePane(CXTPDockingPane* pPane)
{
     if (pPane == NULL) return;

     if (m_pSite->SendMessage(XTPWM_DOCKINGPANE_NOTIFY, XTP_DPN_CLOSEPANE, (LPARAM)pPane) == XTP_ACTION_NOCLOSE)
           return;

     SAFE_CALLPTR(pPane->m_pPare ntContainer, RemovePane(pPane));
}

Posted By: Oleg
Date Posted: 23 December 2004 at 7:46am

you shold destroy it and return XTP_ACTION_NOCLOSE

-------------
Oleg, Support Team
CODEJOCK SOFTWARE SOLUTIONS

Posted By: Alex G.
Date Posted: 23 December 2004 at 2:08pm

Thanks for your help !

It works fine this way :

LRESULT FileBrowserFrame::OnDockingPaneNotify(WPARAM wParam, LPARAM lParam)
{
..
..
else if ( wParam == XTP_DPN_ACTION )
    {
    XTP_DOCKINGPANE_ACTION *action = XTP_DOCKINGPANE_ACTION*)lParam;

    if ( action->action == xtpPaneActionClosed )
      GetDockingPaneManager()- >DestroyPane( action->pPane );

    return TRUE;
    }
}

Posted By: Alex G.
Date Posted: 23 December 2004 at 2:23pm

This is the optimized way

else if ( wParam == XTP_DPN_ACTION )
    {
    XTP_DOCKINGPANE_ACTION *action = XTP_DOCKINGPANE_ACTION*)lParam;

    action->pPane->Detach();

    pFileBrowserTreeView->DestroyWind ow();
    pFileBrowserTreeView = NULL;

    if ( action->action == xtpPaneActionClosed )
      GetDockingPaneManager()- >DestroyPane( action->pPane );

    return TRUE;
    }

Posted By: spike
Date Posted: 05 January 2005 at 2:34pm

Thats kind of strange that you say the pointer is in use after the Close. This is my code which seems to work fine.

FOREACH_ARRAY( m_arrOptionalPaneID, i )
  {
   CXTPDockingPane *pPane = m_pPaneManager->FindPane( m_arrOptionalPaneID );
   m_pPaneManager->ClosePane( m_arrOptionalPaneID );

   if( pPane )
   {
    m_pPaneManager->DestroyPane( pPane );
   }
  }

Edit: Actually they use SAFE_PTR call, which probly validates that the pointer. So it should be safe, nevertheless you have your solution.

Alex G. wrote:

This is the optimized way

else if ( wParam == XTP_DPN_ACTION )
    {
    XTP_DOCKINGPANE_ACTION *action = XTP_DOCKINGPANE_ACTION*)lParam;

    action->pPane->Detach();

    pFileBrowserTreeView->DestroyWind ow();
    pFileBrowserTreeView = NULL;

    if ( action->action == xtpPaneActionClosed )
      GetDockingPaneManager()- >DestroyPane( action->pPane );

    return TRUE;
    }

Posted By: Alex G.
Date Posted: 06 January 2005 at 2:55am

It's a matter of when you're destroying the pane. Try it if you're processing 'XTPN_CLOSE_PANE' notification - it will fail.